Base | Representation |
---|---|
bin | 11011011011111… |
… | …10001110000110 |
3 | 121001002002111112 |
4 | 31231332032012 |
5 | 432404431032 |
6 | 34501005022 |
7 | 5463200150 |
oct | 1555761606 |
9 | 531062445 |
10 | 230155142 |
11 | 108a09a68 |
12 | 650b3772 |
13 | 388b4a99 |
14 | 227d1ad0 |
15 | 153141b2 |
hex | db7e386 |
230155142 has 8 divisors (see below), whose sum is σ = 394551696. Its totient is φ = 98637912.
The previous prime is 230155103. The next prime is 230155169. The reversal of 230155142 is 241551032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8219813 + ... + 8219840.
It is an arithmetic number, because the mean of its divisors is an integer number (49318962).
Almost surely, 2230155142 is an apocalyptic number.
230155142 is a deficient number, since it is larger than the sum of its proper divisors (164396554).
230155142 is a wasteful number, since it uses less digits than its factorization.
230155142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16439662.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 230155142 is about 15170.8649061285. The cubic root of 230155142 is about 612.8302964880.
The spelling of 230155142 in words is "two hundred thirty million, one hundred fifty-five thousand, one hundred forty-two".
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